Business Investing in Malaria Control: Economic Returns and ... - Path

ANNEX A. METHODS TO ASSESS THE
BENEFITS OF PRIVATE-SECTOR CONTROL
EFFORTS IN ZAMBIA
This annex describes the methodology used to examine the health and economic benefits of
the malaria control efforts made by three large Zambian companies.
BUSINESS INVESTING IN MALARIA CONTROL: ECONOMIC RETURNS AND A HEALTHY WORKFORCE FOR AFRICA
Extensive work was done with financial managers
and health staff in each of the three companies
to compile the data from 2000–2009 required to
conduct the analysis. The companies provided
health services for their employees and family
members and had maintained good record keeping
of health events and of the costs of these events
over that time period. The companies also had
consistent records of production and per-employee
production and costs and profits over this time.
Finally, the companies maintained good records
of their costs for malaria control work in staff
homes and nearby communities. These records
were reviewed by independent observers with
the permission and support of the companies, and
summaries were developed for this report.
The three steps mentioned in Chapter 3, leading
to the determination of the number of malaria
episodes averted, the medical cost savings and the
absence savings (Figure A.1; same as Figure 2.2) are
described in detail in this annex. They are essential
steps in the calculations needed to determine the
actual net benefits of malaria control by the private
companies.
Figure A.1
Data collection and analysis sequence to examine business investment in malaria control at Zambia
Sugar, Mopani Copper Mines and Konkola Copper Mines, Zambia, 2001–2009
Baseline
malaria
incidence
Workforce
Household
size
Average
absences per
episode
Average
daily pay
Primary variables
Actual malaria
episodes
Step I:
Malaria
episodes
averted
Step II:
Medical cost
savings
Step III:
Absence
savings
Share of
in- and
out-patients
Average cost
of in- and
out-patients
Costs of
malaria
control
Net benefits
of malaria
control
Secondary variables (=calculated)
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